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/*
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* Copyright (c) 2010 Kanrikogaku Kenkyusho, Ltd.
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Kanrikogaku Kenkyusho, Ltd. - Initial contribution
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*
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* Contributors:
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*
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* Description:
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*
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*/
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// INCLUDE FILES
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#include <coemain.h>
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#include <barsread.h>
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#include <DirectPrintApp.rsg>
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#include <prninf.h>
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#include <prnsetup.h>
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#include <gdi.h>
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#include <prnprev.h>
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#include <eikenv.h>
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#include <gulbordr.h> // TGulBorder
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#include <e32cmn.h>
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#include "directprintapp.pan"
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#include "directprintapp.hrh"
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#include "directprintpreviewcontrol.h"
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const TInt KFirstPage=0;
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const TInt KDraggingAccepted = 10;
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// -----------------------------------------------------------------------------
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// CDirectPrintPreviewControl::NewL()
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CDirectPrintPreviewControl* CDirectPrintPreviewControl::NewL(const CCoeControl* aParent)
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{
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CDirectPrintPreviewControl* self = CDirectPrintPreviewControl::NewLC(aParent);
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CleanupStack::Pop(self);
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return self;
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}
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// -----------------------------------------------------------------------------
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// CDirectPrintPreviewControl::NewLC()
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CDirectPrintPreviewControl* CDirectPrintPreviewControl::NewLC(const CCoeControl* aParent)
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{
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CDirectPrintPreviewControl* self = new(ELeave) CDirectPrintPreviewControl();
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CleanupStack::PushL(self);
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self->ConstructL(aParent);
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return self;
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}
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// -----------------------------------------------------------------------------
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// CDirectPrintPreviewControl::CDirectPrintPreviewControl()
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// C++ default constructor can NOT contain any code, that might leave.
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// -----------------------------------------------------------------------------
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//
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CDirectPrintPreviewControl::CDirectPrintPreviewControl()
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{
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}
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// -----------------------------------------------------------------------------
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// CDirectPrintPreviewControl::~CDirectPrintPreviewControl()
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// C++ default constructor can NOT contain any code, that might leave.
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// -----------------------------------------------------------------------------
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//
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CDirectPrintPreviewControl::~CDirectPrintPreviewControl()
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{
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Window().SetPointerGrab(EFalse);
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delete iPreview;
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}
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// -----------------------------------------------------------------------------
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// CDirectPrintPreviewControl::ConstructL()
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CDirectPrintPreviewControl::ConstructL(const CCoeControl* aParent)
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{
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// Create a window for this application view
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if (aParent)
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{
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CreateBackedUpWindowL(*aParent->DrawableWindow(), EGray4);
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}
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else
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{
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CreateBackedUpWindowL((RWindowTreeNode&)iCoeEnv->RootWin(), EGray4);
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}
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EnableDragEvents();
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Window().SetPointerGrab(ETrue);
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}
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// -----------------------------------------------------------------------------
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// CDirectPrintPreviewControl::SetPreviewImageObserver()
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//
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// -----------------------------------------------------------------------------
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//
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void CDirectPrintPreviewControl::SetPreviewImageObserver(MPrintProcessObserver* aObserver)
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{
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__ASSERT_DEBUG(iPreview,Panic(EDirectPrintNullPointer));
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iPreview->SetObserver(*aObserver);
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}
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// -----------------------------------------------------------------------------
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// CDirectPrintPreviewControl::CountComponentControls()
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// Called by framework
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// -----------------------------------------------------------------------------
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//
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TInt CDirectPrintPreviewControl::CountComponentControls() const
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{
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// return(2);
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return(0);
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}
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// -----------------------------------------------------------------------------
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// CDirectPrintPreviewControl::ComponentControl()
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// Called by framework
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// -----------------------------------------------------------------------------
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//
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CCoeControl* CDirectPrintPreviewControl::ComponentControl( TInt aIndex ) const
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{
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CCoeControl* control=NULL;
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switch (aIndex)
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{
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case 0:
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// control=iButton[0];
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break;
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case 1:
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// control=iButton[1];
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break;
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}
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return(control);
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}
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// -----------------------------------------------------------------------------
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// CDirectPrintPreviewControl::WriteInternalStateL()
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//
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// -----------------------------------------------------------------------------
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//
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#ifndef _DEBUG
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void CDirectPrintPreviewControl::WriteInternalStateL(RWriteStream& /*aWriteStream*/) const
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{
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}
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#else
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void CDirectPrintPreviewControl::WriteInternalStateL(RWriteStream& aWriteStream) const
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{
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CEikBorderedControl::WriteInternalStateL(aWriteStream);
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}
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#endif
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// -----------------------------------------------------------------------------
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// CDirectPrintAppAppView::HandlePointerEventL()
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// Called by framework to handle pointer touch events.
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// Note: although this method is compatible with earlier SDKs,
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// it will not be called in SDKs without Touch support.
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// -----------------------------------------------------------------------------
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//
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void CDirectPrintPreviewControl::HandlePointerEventL(
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const TPointerEvent& aPointerEvent)
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{
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const TRect rect=Rect();
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if( !rect.Contains(aPointerEvent.iPosition) )
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{
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return;
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}
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switch ( aPointerEvent.iType )
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{
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case TPointerEvent::EButton1Down:
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{
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iPointerDownPos = aPointerEvent.iPosition;
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}
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break;
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case TPointerEvent::EButton1Up:
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case TPointerEvent::EDrag:
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{
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TInt x = aPointerEvent.iPosition.iX - iPointerDownPos.iX;
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TInt y = aPointerEvent.iPosition.iY - iPointerDownPos.iY;
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if (Abs(x) > KDraggingAccepted || Abs(y) > KDraggingAccepted)
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{
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TPoint newPos;
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TInt maxWidth = iDisplayRect.Width() - rect.Width();
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TInt maxHeight = iDisplayRect.Height() - rect.Height();
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newPos.iX = Min(iDisplayPoint.iX + x, maxWidth);
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if (newPos.iX <= (maxWidth*-1))
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newPos.iX = (maxWidth*-1);
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newPos.iY = Min(iDisplayPoint.iY + y, maxHeight);
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if (newPos.iY <= (maxHeight*-1))
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newPos.iY = (maxHeight*-1);
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iDisplayPoint = newPos;
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iPointerDownPos = aPointerEvent.iPosition;
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DrawNow();
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}
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}
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break;
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default:
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break;
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}
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}
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void CDirectPrintPreviewControl::ActivateL()
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{
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DrawButtons();
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CCoeControl::ActivateL();
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}
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TCoeInputCapabilities CDirectPrintPreviewControl::InputCapabilities() const
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{
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return TCoeInputCapabilities(TCoeInputCapabilities::ENavigation);
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}
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void CDirectPrintPreviewControl::InitializeFormat(
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CPrintSetup& aPrintSetup,
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MPageRegionPrinter& aBodyPrinter,
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TPrintPreviewFormat& aFormat,
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TInt& aNumPagesInDoc,
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TInt& aFirstPageToDisplay,
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TInt aNumPagesToView,
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CPrintPreviewImage::TMarginState& aMarginState)
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{
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iPrintSetup=&aPrintSetup;
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iBodyPrinter=&aBodyPrinter;
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iPrintPreviewFormat=&aFormat;
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iFirstPageToDisplay=&aFirstPageToDisplay;
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iNumPagesInDoc=aNumPagesInDoc;
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iNumPagesToView=aNumPagesToView;
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iMarginState=aMarginState;
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}
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void CDirectPrintPreviewControl::SetNumBands(TInt aNumBands)
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{
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iNumBands=aNumBands;
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if (iPreview)
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{
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iPreview->SetNumBands(aNumBands);
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}
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}
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// -----------------------------------------------------------------------------
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// CDirectPrintPreviewControl::SizeChanged()
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// Called by framework when the view size is changed.
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// -----------------------------------------------------------------------------
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//
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void CDirectPrintPreviewControl::SizeChanged()
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// can't recover if CPrintPreviewImage::NewL() fails !!
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{
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iPreviewDraw=ETrue;
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// set zoom level
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SetZoomLevelAndDispalyRect(EPreviewZoomLevel1);
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// create CPrintPreviewImage object
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TRAP_IGNORE(CreatePreviewImageL());
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}
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// -----------------------------------------------------------------------------
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// CDirectPrintPreviewControl::Draw()
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// Draws the display.
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// -----------------------------------------------------------------------------
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//
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void CDirectPrintPreviewControl::Draw(const TRect& aRect) const
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{
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if (!iPreviewDraw)
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return;
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// DrawButtons();
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CWindowGc& gc=SystemGc();
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iBorder.Draw(gc,Rect());
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gc.Clear();
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gc.SetPenStyle(CGraphicsContext::ENullPen);
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gc.SetBrushColor(KRgbWhite);
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gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
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// TRect rectAboveButton(TPoint(iDisplayRect.iTl.iX-KScrollButtonWidth,iDisplayRect.iTl.iY),TSize(KScrollButtonWidth,iDisplayRect.Height()-(iButton[0]->IsVisible()? KScrollButtonWidth : 0)));
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// gc.DrawRect(rectAboveButton);
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// rectAboveButton=(TPoint(iDisplayRect.iTl.iX-KScrollButtonWidth,iDisplayRect.iTl.iY),TSize(KScrollButtonWidth,iDisplayRect.Height()-(iButton[1]->IsVisible()? KScrollButtonWidth : 0)));
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// rectAboveButton.Move(iDisplayRect.Width()+KScrollButtonWidth+1,1); // why are the 1s needed???
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// gc.DrawRect(rectAboveButton);
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gc.SetPenStyle(CGraphicsContext::ESolidPen);
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CONST_CAST(CDirectPrintPreviewControl*,this)->DrawPreview(aRect); // cast away constness
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}
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void CDirectPrintPreviewControl::SetDrawFlag(TBool aDraw)
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{
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iPreviewDraw=aDraw;
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}
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TBool CDirectPrintPreviewControl::DrawFlag()
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{
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return iPreviewDraw;
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}
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void CDirectPrintPreviewControl::SetFormatAndDrawL(TInt& aFirstPageToDisplay,TInt& aNumPagesToView)
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{
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iPreview->FormatL(iNumPagesInDoc,aFirstPageToDisplay,aNumPagesToView);
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*iFirstPageToDisplay=aFirstPageToDisplay;
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iNumPagesToView=aNumPagesToView;
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DrawButtons();
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DrawNow();
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}
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void CDirectPrintPreviewControl::SetMarginAndDrawL(CPrintPreviewImage::TMarginState aMarginState)
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{
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iPreview->SetMargins(aMarginState);
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iMarginState=aMarginState;
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DrawNow();
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}
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void CDirectPrintPreviewControl::SetNumPagesInDoc(TInt aNumPagesInDoc,TInt aFirstPageToDisplay,TInt aNumPagesToView)
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{
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iNumPagesInDoc=aNumPagesInDoc;
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*iFirstPageToDisplay=aFirstPageToDisplay;
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iNumPagesToView=aNumPagesToView;
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}
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void CDirectPrintPreviewControl::DrawPreview(const TRect& aRect)
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{
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TRAPD(err,iPreview->DrawL(iDisplayPoint,aRect));
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if (err)
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{
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SystemGc().Clear(iDisplayRect);
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CEikonEnv::Static()->NotifyIdleErrorWhileRedrawing(err);
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}
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}
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TKeyResponse CDirectPrintPreviewControl::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode /*aType*/)
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{
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TInt newFirstPageToDisplay=*iFirstPageToDisplay;
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switch (aKeyEvent.iCode)
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{
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case EKeyLeftArrow:
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case EKeyPageUp:
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newFirstPageToDisplay--;
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break;
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case EKeyRightArrow:
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case EKeyPageDown:
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newFirstPageToDisplay++;
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break;
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case EKeyHome:
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newFirstPageToDisplay=KFirstPage;
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break;
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case EKeyEnd:
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newFirstPageToDisplay=iNumPagesInDoc-iNumPagesToView;
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break;
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default:
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return(EKeyWasNotConsumed);
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}
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SwitchFirstPageToDisplayL(newFirstPageToDisplay);
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return(EKeyWasConsumed);
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}
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void CDirectPrintPreviewControl::SwitchFirstPageToDisplayL(TInt& aNewFirstPageToDisplay)
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{
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if (aNewFirstPageToDisplay<KFirstPage)
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aNewFirstPageToDisplay=KFirstPage;
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if (aNewFirstPageToDisplay>iNumPagesInDoc-iNumPagesToView)
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aNewFirstPageToDisplay=iNumPagesInDoc-iNumPagesToView;
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if (aNewFirstPageToDisplay!=*iFirstPageToDisplay)
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SetFormatAndDrawL(aNewFirstPageToDisplay,iNumPagesToView);
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}
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void CDirectPrintPreviewControl::HandleControlEventL(CCoeControl* /*aControl*/,TCoeEvent aEventType)
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{
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if (aEventType!=EEventStateChanged)
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return;
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TInt newFirstPageToDisplay=*iFirstPageToDisplay;
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// if (aControl==iButton[0])
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// newFirstPageToDisplay--;
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// else if (aControl==iButton[1])
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// newFirstPageToDisplay++;
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SwitchFirstPageToDisplayL(newFirstPageToDisplay);
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}
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void CDirectPrintPreviewControl::DrawButtons() const
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{
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if (iNumPagesToView==iNumPagesInDoc)
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{
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// iButton[1]->MakeVisible(EFalse);
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// iButton[0]->MakeVisible(EFalse);
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return;
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}
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// TBool leftvisible=ETrue;
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// TBool rightvisible=ETrue;
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// if (*iFirstPageToDisplay==KFirstPage)
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// leftvisible=EFalse;
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// else
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// {
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// if (*iFirstPageToDisplay>=iNumPagesInDoc-iNumPagesToView)
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// rightvisible=EFalse;
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// }
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// iButton[0]->MakeVisible(leftvisible);
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// iButton[1]->MakeVisible(rightvisible);
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//// iButton[0]->DrawNow();
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//// iButton[1]->DrawNow();
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}
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// for zoom
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void CDirectPrintPreviewControl::SetZoomLevel(TInt /*aZoomLevel*/)
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{
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SetZoomLevelAndDispalyRect(iZoomLevel);
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}
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TInt CDirectPrintPreviewControl::GetZoomLebel()
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{
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return (TInt)iZoomLevel;
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}
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void CDirectPrintPreviewControl::IncrementZoomLevel()
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{
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TInt zoom = iZoomLevel + 1;
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if (zoom >= EPreviewZoomLevel1
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&& zoom < EPreviewZoomLevelMax)
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{
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SetZoomLevelAndDispalyRect(zoom);
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TRAPD(err, CreatePreviewImageL());
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if (err == KErrNone)
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{
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DrawNow();
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430 |
}
|
|
431 |
}
|
|
432 |
}
|
|
433 |
|
|
434 |
void CDirectPrintPreviewControl::DecrementZoomLevel()
|
|
435 |
{
|
|
436 |
TInt zoom = iZoomLevel - 1;
|
|
437 |
if (zoom >= EPreviewZoomLevel1)
|
|
438 |
{
|
|
439 |
SetZoomLevelAndDispalyRect(zoom);
|
|
440 |
TRAPD(err, CreatePreviewImageL());
|
|
441 |
if (err == KErrNone)
|
|
442 |
{
|
|
443 |
DrawNow();
|
|
444 |
}
|
|
445 |
}
|
|
446 |
}
|
|
447 |
|
|
448 |
// set zoom level
|
|
449 |
void CDirectPrintPreviewControl::SetZoomLevelAndDispalyRect(TInt aZoomLevel)
|
|
450 |
{
|
|
451 |
static const TInt KZoomPercent[EPreviewZoomLevelMax] = {100, 120, 140, 160, 180};
|
|
452 |
TInt oldZoomLevel = iZoomLevel;
|
|
453 |
if (aZoomLevel == EPreviewZoomLevel1)
|
|
454 |
{
|
|
455 |
iDisplayRect = iBorder.InnerRect(Rect());
|
|
456 |
iDisplayPoint = iDisplayRect.iTl;
|
|
457 |
}
|
|
458 |
else
|
|
459 |
{
|
|
460 |
TRect rect(iBorder.InnerRect(Rect()));
|
|
461 |
TSize newSize;
|
|
462 |
newSize.iWidth = (rect.Size().iWidth * KZoomPercent[aZoomLevel] + 5) / KZoomPercent[EPreviewZoomLevel1];
|
|
463 |
newSize.iHeight = (rect.Size().iHeight * KZoomPercent[aZoomLevel] + 5) / KZoomPercent[EPreviewZoomLevel1];
|
|
464 |
iDisplayRect.SetSize(newSize);
|
|
465 |
if (oldZoomLevel != EPreviewZoomLevel1)
|
|
466 |
{
|
|
467 |
TPoint newPos;
|
|
468 |
newPos.iX = Max(0, ((iDisplayPoint.iX * KZoomPercent[aZoomLevel] + 5) / KZoomPercent[EPreviewZoomLevel1]));
|
|
469 |
newPos.iY = Max(0, ((iDisplayPoint.iY * KZoomPercent[aZoomLevel] + 5) / KZoomPercent[EPreviewZoomLevel1]));
|
|
470 |
iDisplayPoint = newPos;
|
|
471 |
}
|
|
472 |
}
|
|
473 |
iZoomLevel = aZoomLevel;
|
|
474 |
}
|
|
475 |
|
|
476 |
void CDirectPrintPreviewControl::CreatePreviewImageL()
|
|
477 |
{
|
|
478 |
if (iPreview)
|
|
479 |
{
|
|
480 |
delete iPreview;
|
|
481 |
iPreview=NULL;
|
|
482 |
}
|
|
483 |
|
|
484 |
iPreview = CPrintPreviewImage::NewL(*iPrintSetup,
|
|
485 |
*iBodyPrinter,
|
|
486 |
CEikonEnv::Static()->WsSession(),
|
|
487 |
Window(),
|
|
488 |
iDisplayRect.Size(),
|
|
489 |
*iPrintPreviewFormat);
|
|
490 |
iPreview->SetNumBands(iNumBands);
|
|
491 |
iPreview->FormatL(iNumPagesInDoc,*iFirstPageToDisplay,iNumPagesToView);
|
|
492 |
iPreview->SetMargins(iMarginState);
|
|
493 |
// TRect buttonRect(TPoint(iDisplayRect.iTl.iX-KScrollButtonWidth,iDisplayRect.iBr.iY-KScrollButtonWidth),
|
|
494 |
// TSize(KScrollButtonWidth,KScrollButtonWidth));
|
|
495 |
// iButton[0]->SetRect(buttonRect);
|
|
496 |
// buttonRect.Move(iDisplayRect.Width()+KScrollButtonWidth,0);
|
|
497 |
// iButton[1]->SetRect(buttonRect);
|
|
498 |
}
|
|
499 |
|
|
500 |
// End of file
|